+AC_ARG_WITH([debug-prefix-map],
+ [ --with-debug-prefix-map='A=B C=D ...'
+ map A to B, C to D ... in debug information],
+ [if test x"$withval" != x; then
+ DEBUG_PREFIX_CFLAGS_FOR_TARGET=
+ for debug_map in $withval; do
+ DEBUG_PREFIX_CFLAGS_FOR_TARGET="$DEBUG_PREFIX_CFLAGS_FOR_TARGET -fdebug-prefix-map=$debug_map"
+ done
+ fi],
+ [DEBUG_PREFIX_CFLAGS_FOR_TARGET=])
+AC_SUBST(DEBUG_PREFIX_CFLAGS_FOR_TARGET)
+